what was his connection to pakistan? there are so many unanswered questions about his overseas connections and what he was really doing and his radicalization during the process in which the military did nothing. and finally, the information the joint terrorism task force had about mr. al laak can i and communications with major hasan at fort hood. why wasn't it shared with general cohen at fort hood when it could have stopped the murder of 13 soldiers? jon: a lot of questions there. let's hope you get answers. congressman, thank you. >> i appreciate it. alisyn: here's what is happening now. joint chiefs chairman admiral mike mullen giving a briefing on the wars in iraq and afghanistan and the defense department budget as the military faces questions about the mounting cost of american involvement in the libyan conflict as well. national security correspondent jennifer griffin live from the pentagon for us. jennifer, what did we learn from this briefing? >> reporter: alisyn, he didn't really speak about the libyan confli